ZyXEL Communications NBG-418N v2 User Manual

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Chapter 12 Firewall
NBG-418N v2 User’s Guide
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VPN Passthrough
Select the checkbox to enable the advanced pass through features:
PPTP Passthrough: Select this option to allow the NBG-418N v2 to pass through 
VPN traffic using PPTP.   
L2TP Passthrough: Select this option to enable computers on your LAN to make 
L2TP VPN connections to servers on the Internet.
IPSEC Passthrough: Select this option to allow the NBG-418N v2 to pass through 
VPN traffic using the IPsec protocol. 
Apply
Click Apply to save the settings. 
Reset
Click Reset to start configuring this screen again.
Table 48   
Security > Firewall > Services (continued)
LABEL
DESCRIPTION